strrat | 4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	x.exe

Blocklisted process makes network request 38 IoCs

flow	pid	Process
14	408	wscript.exe
16	408	wscript.exe
19	644	powershell.exe
21	644	powershell.exe
28	408	wscript.exe
29	408	wscript.exe
30	408	wscript.exe
31	408	wscript.exe
32	408	wscript.exe
36	408	wscript.exe
42	408	wscript.exe
43	408	wscript.exe
44	408	wscript.exe
45	408	wscript.exe
46	408	wscript.exe
48	408	wscript.exe
53	408	wscript.exe
59	408	wscript.exe
61	408	wscript.exe
63	408	wscript.exe
64	408	wscript.exe
65	408	wscript.exe
66	408	wscript.exe
67	408	wscript.exe
68	408	wscript.exe
69	408	wscript.exe
70	408	wscript.exe
71	408	wscript.exe
72	408	wscript.exe
74	408	wscript.exe
78	408	wscript.exe
81	408	wscript.exe
84	408	wscript.exe
88	408	wscript.exe
89	408	wscript.exe
91	408	wscript.exe
92	408	wscript.exe
93	408	wscript.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	x.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	x.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Antimalware Service Executable.JS	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Antimalware Service Executable.JS	WScript.exe

Executes dropped EXE 3 IoCs

pid	Process
3796	EmbraTor Mac Smash Bullet.exe
3656	x.exe
1464	CL_Debug_Log.txt

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Wine	x.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2404	icacls.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	wscript.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	ip-api.com

AutoIT Executable 12 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3656-100-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-103-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-115-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-134-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-141-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-148-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-159-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-165-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/memory/3656-167-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe
behavioral2/files/0x000700000001ac55-184.dat	autoit_exe
behavioral2/files/0x000900000001ac53-192.dat	autoit_exe
behavioral2/memory/3656-195-0x0000000000D80000-0x0000000001FA6000-memory.dmp	autoit_exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
5068	schtasks.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
4904	timeout.exe
2156	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000_Classes\Local Settings	14052163e50c197697c64b143.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
644	powershell.exe
644	powershell.exe
644	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	644	powershell.exe
Token: SeRestorePrivilege	1464	CL_Debug_Log.txt
Token: 35	1464	CL_Debug_Log.txt
Token: SeSecurityPrivilege	1464	CL_Debug_Log.txt
Token: SeSecurityPrivilege	1464	CL_Debug_Log.txt

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3656	x.exe
3656	x.exe
3656	x.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3656	x.exe
3656	x.exe
3656	x.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3796	EmbraTor Mac Smash Bullet.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 1684	4864	14052163e50c197697c64b143.exe	74
PID 4864 wrote to memory of 1684	4864	14052163e50c197697c64b143.exe	74
PID 4864 wrote to memory of 1684	4864	14052163e50c197697c64b143.exe	74
PID 4864 wrote to memory of 3800	4864	14052163e50c197697c64b143.exe	75
PID 4864 wrote to memory of 3800	4864	14052163e50c197697c64b143.exe	75
PID 4864 wrote to memory of 3800	4864	14052163e50c197697c64b143.exe	75
PID 4864 wrote to memory of 4020	4864	14052163e50c197697c64b143.exe	76
PID 4864 wrote to memory of 4020	4864	14052163e50c197697c64b143.exe	76
PID 4864 wrote to memory of 4020	4864	14052163e50c197697c64b143.exe	76
PID 4864 wrote to memory of 4360	4864	14052163e50c197697c64b143.exe	77
PID 4864 wrote to memory of 4360	4864	14052163e50c197697c64b143.exe	77
PID 4864 wrote to memory of 3796	4864	14052163e50c197697c64b143.exe	78
PID 4864 wrote to memory of 3796	4864	14052163e50c197697c64b143.exe	78
PID 4864 wrote to memory of 3796	4864	14052163e50c197697c64b143.exe	78
PID 4360 wrote to memory of 2404	4360	javaw.exe	80
PID 4360 wrote to memory of 2404	4360	javaw.exe	80
PID 4020 wrote to memory of 644	4020	WScript.exe	79
PID 4020 wrote to memory of 644	4020	WScript.exe	79
PID 4020 wrote to memory of 644	4020	WScript.exe	79
PID 1684 wrote to memory of 408	1684	WScript.exe	83
PID 1684 wrote to memory of 408	1684	WScript.exe	83
PID 1684 wrote to memory of 408	1684	WScript.exe	83
PID 3800 wrote to memory of 3656	3800	WScript.exe	84
PID 3800 wrote to memory of 3656	3800	WScript.exe	84
PID 3800 wrote to memory of 3656	3800	WScript.exe	84
PID 3656 wrote to memory of 1464	3656	x.exe	86
PID 3656 wrote to memory of 1464	3656	x.exe	86
PID 3656 wrote to memory of 1464	3656	x.exe	86
PID 3656 wrote to memory of 300	3656	x.exe	88
PID 3656 wrote to memory of 300	3656	x.exe	88
PID 3656 wrote to memory of 300	3656	x.exe	88
PID 300 wrote to memory of 5068	300	cmd.exe	90
PID 300 wrote to memory of 5068	300	cmd.exe	90
PID 300 wrote to memory of 5068	300	cmd.exe	90
PID 3656 wrote to memory of 508	3656	x.exe	91
PID 3656 wrote to memory of 508	3656	x.exe	91
PID 3656 wrote to memory of 508	3656	x.exe	91
PID 508 wrote to memory of 4904	508	cmd.exe	93
PID 508 wrote to memory of 4904	508	cmd.exe	93
PID 508 wrote to memory of 4904	508	cmd.exe	93
PID 508 wrote to memory of 2156	508	cmd.exe	94
PID 508 wrote to memory of 2156	508	cmd.exe	94
PID 508 wrote to memory of 2156	508	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\14052163e50c197697c64b143.exe
"C:\Users\Admin\AppData\Local\Temp\14052163e50c197697c64b143.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Antimalware Service Executable.JS"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Antimalware Service Executable.JS"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    - Adds Run key to start application
    PID:408
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MsMpEng.js"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3800
- - C:\Users\Admin\AppData\Local\Temp\x.exe
    "C:\Users\Admin\AppData\Local\Temp\x.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:3656
  - - C:\Users\Admin\AppData\Local\Temp\CL_Debug_Log.txt
      C:\Users\Admin\AppData\Local\Temp\CL_Debug_Log.txt e -p"JDQJndnqwdnqw2139dn21n3b312idDQDB" "C:\Users\Admin\AppData\Local\Temp\CR_Debug_Log.txt" -o"C:\Users\Admin\AppData\Local\Temp\"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1464
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks.exe /Create /XML "C:\Users\Admin\AppData\Local\Temp\SystemCheck.xml" /TN "System\SystemCheck"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:300
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks.exe /Create /XML "C:\Users\Admin\AppData\Local\Temp\SystemCheck.xml" /TN "System\SystemCheck"
        5⤵
        Creates scheduled task(s)
        
        PID:5068
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c For /L %i In (0,0,0) Do (del "C:\Users\Admin\AppData\Local\Temp\x.exe"&&timeout /t 0&&if not exist "C:\Users\Admin\AppData\Local\Temp\x.exe" exit)
      4⤵
      Suspicious use of WriteProcessMemory
      PID:508
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 0
        5⤵
        Delays execution with timeout.exe
        
        PID:4904
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 0
        5⤵
        Delays execution with timeout.exe
        
        PID:2156
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Windows Driver Foundation.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy remotesigned -File "C:\ProgramData\rrrrrrrr.ps1"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:644
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Java Install.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4360
- - C:\Windows\system32\icacls.exe
    C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
    3⤵
    - Modifies file permissions
    PID:2404
- C:\Users\Admin\AppData\Local\Temp\EmbraTor Mac Smash Bullet.exe
  "C:\Users\Admin\AppData\Local\Temp\EmbraTor Mac Smash Bullet.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion